Finding the Fourth Proportional to 9,949.58, 13,730.65 and 5,473.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,949.58 : 13,730.65 = 5,473.58 : x
2. Step 2: Convert to fraction form
   9,949.58/13,730.65 = 5,473.58/x
3. Step 3: Cross multiply
   9,949.58x = 13,730.65 × 5,473.58
4. Step 4: Simplify right side
   9,949.58x = 75,155,728.89
5. Step 5: Solve for x
   x = 75,155,728.89/9,949.58
6. Step 6: Final answer
   x = 7,553.66